RealtimeBoard
Realtime whiteboard in Node js using socket.io. Create a room and invite others to join. Allows you to share whiteboard data and mini chat functionality too.
The front end is built on top of html5 canvas. Different kinds of brushes: chalk, marker is available. As the user draws something the data is synced among all members in the room.
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Demo https://realtimeboard.herokuapp.com/
usage
npm install && node app